using FluentValidation;
using Microsoft.Extensions.DependencyInjection;
using SIGCM2.Application.Abstractions;
using SIGCM2.Application.Auth.Login;
using SIGCM2.Application.Auth.Logout;
using SIGCM2.Application.Auth.Refresh;
using SIGCM2.Application.Common;
using SIGCM2.Application.Medios.Create;
using SIGCM2.Application.Medios.Deactivate;
using SIGCM2.Application.Medios.GetById;
using SIGCM2.Application.Medios.List;
using SIGCM2.Application.Medios.Reactivate;
using SIGCM2.Application.Medios.Update;
using SIGCM2.Application.Permisos.Assign;
using SIGCM2.Application.Permisos.Dtos;
using SIGCM2.Application.Permisos.GetByRol;
using SIGCM2.Application.Permisos.List;
using SIGCM2.Application.Roles.Create;
using SIGCM2.Application.Roles.Deactivate;
using SIGCM2.Application.Roles.Dtos;
using SIGCM2.Application.Roles.Get;
using SIGCM2.Application.Roles.List;
using SIGCM2.Application.Roles.Update;
using SIGCM2.Application.Secciones.Create;
using SIGCM2.Application.Secciones.Deactivate;
using SIGCM2.Application.Secciones.GetById;
using SIGCM2.Application.Secciones.List;
using SIGCM2.Application.Secciones.Reactivate;
using SIGCM2.Application.Secciones.Update;
using SIGCM2.Application.Usuarios.ChangeMyPassword;
using SIGCM2.Application.Usuarios.Create;
using SIGCM2.Application.Usuarios.Deactivate;
using SIGCM2.Application.Usuarios.GetById;
using SIGCM2.Application.Usuarios.List;
using SIGCM2.Application.Usuarios.Reactivate;
using SIGCM2.Application.Usuarios.ResetPassword;
using SIGCM2.Application.Usuarios.Permisos;
using SIGCM2.Application.Usuarios.Update;

namespace SIGCM2.Application;

public static class DependencyInjection
{
    public static IServiceCollection AddApplication(this IServiceCollection services)
    {
        // Command handlers
        services.AddScoped<ICommandHandler<LoginCommand, LoginResponseDto>, LoginCommandHandler>();
        services.AddScoped<ICommandHandler<RefreshCommand, RefreshResponseDto>, RefreshCommandHandler>();
        services.AddScoped<ICommandHandler<LogoutCommand, LogoutResponseDto>, LogoutCommandHandler>();
        services.AddScoped<ICommandHandler<CreateUsuarioCommand, UsuarioCreatedDto>, CreateUsuarioCommandHandler>();

        // Roles (UDT-004)
        services.AddScoped<ICommandHandler<ListRolesQuery, IReadOnlyList<RolDto>>, ListRolesQueryHandler>();
        services.AddScoped<ICommandHandler<GetRolByCodigoQuery, RolDto>, GetRolByCodigoQueryHandler>();
        services.AddScoped<ICommandHandler<CreateRolCommand, RolCreatedDto>, CreateRolCommandHandler>();
        services.AddScoped<ICommandHandler<UpdateRolCommand, RolDto>, UpdateRolCommandHandler>();
        services.AddScoped<ICommandHandler<DeactivateRolCommand, RolDto>, DeactivateRolCommandHandler>();

        // Permisos (UDT-005)
        services.AddScoped<ICommandHandler<ListPermisosQuery, IReadOnlyList<PermisoDto>>, ListPermisosQueryHandler>();
        services.AddScoped<ICommandHandler<GetRolPermisosQuery, IReadOnlyList<PermisoDto>>, GetRolPermisosQueryHandler>();
        services.AddScoped<ICommandHandler<AssignPermisosToRolCommand, IReadOnlyList<PermisoDto>>, AssignPermisosToRolCommandHandler>();

        // Usuarios (UDT-008)
        services.AddScoped<ICommandHandler<ListUsuariosQuery, PagedResult<UsuarioListItemDto>>, ListUsuariosQueryHandler>();
        services.AddScoped<ICommandHandler<GetUsuarioByIdQuery, UsuarioDetailDto>, GetUsuarioByIdQueryHandler>();
        services.AddScoped<ICommandHandler<UpdateUsuarioCommand, UsuarioDetailDto>, UpdateUsuarioCommandHandler>();
        services.AddScoped<ICommandHandler<DeactivateUsuarioCommand, UsuarioDetailDto>, DeactivateUsuarioCommandHandler>();
        services.AddScoped<ICommandHandler<ReactivateUsuarioCommand, UsuarioDetailDto>, ReactivateUsuarioCommandHandler>();
        services.AddScoped<ICommandHandler<ChangeMyPasswordCommand, Unit>, ChangeMyPasswordCommandHandler>();
        services.AddScoped<ICommandHandler<ResetUsuarioPasswordCommand, ResetUsuarioPasswordResponse>, ResetUsuarioPasswordCommandHandler>();

        // Usuarios/Permisos (UDT-009)
        services.AddScoped<ICommandHandler<GetUsuarioPermisosQuery, UsuarioPermisosDto>, GetUsuarioPermisosQueryHandler>();
        services.AddScoped<ICommandHandler<UpdateUsuarioPermisosOverridesCommand, UsuarioPermisosDto>, UpdateUsuarioPermisosOverridesCommandHandler>();

        // Medios (ADM-001)
        services.AddScoped<ICommandHandler<CreateMedioCommand, MedioCreatedDto>, CreateMedioCommandHandler>();
        services.AddScoped<ICommandHandler<UpdateMedioCommand, MedioUpdatedDto>, UpdateMedioCommandHandler>();
        services.AddScoped<ICommandHandler<DeactivateMedioCommand, MedioStatusDto>, DeactivateMedioCommandHandler>();
        services.AddScoped<ICommandHandler<ReactivateMedioCommand, MedioStatusDto>, ReactivateMedioCommandHandler>();
        services.AddScoped<ICommandHandler<ListMediosQuery, PagedResult<MedioListItemDto>>, ListMediosQueryHandler>();
        services.AddScoped<ICommandHandler<GetMedioByIdQuery, MedioDetailDto>, GetMedioByIdQueryHandler>();

        // Secciones (ADM-001)
        services.AddScoped<ICommandHandler<CreateSeccionCommand, SeccionCreatedDto>, CreateSeccionCommandHandler>();
        services.AddScoped<ICommandHandler<UpdateSeccionCommand, SeccionUpdatedDto>, UpdateSeccionCommandHandler>();
        services.AddScoped<ICommandHandler<DeactivateSeccionCommand, SeccionStatusDto>, DeactivateSeccionCommandHandler>();
        services.AddScoped<ICommandHandler<ReactivateSeccionCommand, SeccionStatusDto>, ReactivateSeccionCommandHandler>();
        services.AddScoped<ICommandHandler<ListSeccionesQuery, PagedResult<SeccionListItemDto>>, ListSeccionesQueryHandler>();
        services.AddScoped<ICommandHandler<GetSeccionByIdQuery, SeccionDetailDto>, GetSeccionByIdQueryHandler>();

        // FluentValidation validators (scans entire Application assembly)
        services.AddValidatorsFromAssemblyContaining<LoginCommandValidator>();

        return services;
    }
}